/*
 * Author: Landon Fuller <landonf@plausiblelabs.com>
 * Copyright (c) 2008 Plausible Labs Cooperative, Inc.
 * All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#import "ActorKit.h"

/**
 * @internal
 *
 * Provides an actor process structure for an existing thread of execution,
 * using thread-safe mailboxes.
 */
@implementation PLSimpleActorProcess

- (id) init {
    if ((self = [super init]) == nil)
        return nil;
    
    /* Create queue */
    _queue = [[PLActorWriteLockQueue alloc] init];

    return self;
}


- (void) dealloc {
    [_queue release];
    [super dealloc];
}

/* From PLActorProcess */
- (void) send: (id) message {
    [_queue send: message];
}

// from PLActorLocalProcess protocol
- (BOOL) receive: (id *) message 
     usingFilter: (plactor_receive_filter_t) filter 
   filterContext: (void *) filterContext 
     withTimeout: (PLActorTimeInterval) timeout
{
    return [_queue receive: message usingFilter: filter filterContext: filterContext withTimeout: timeout];
}

// from PLActorLocalProcess protocol
- (PLActorTxId) createTransactionId {
    return ++_txid;
}

// from PLActorLocalProcess protocol
- (void) flush {
    [_queue flush];
}

@end
